Representativeness of Medicare Participants in the Jackson Heart Study for African American Medicare Beneficiaries

Conclusion: JHS–Medicare participants had fewer comorbid conditions, better survival, and lower Medicare costs compared with regional and national cohorts. Observed differences may reflect healthy volunteer bias and higher socioeconomic status. See video abstract at, http://links.lww.com/EDE/B235 .
Source: Epidemiology - Category: Epidemiology Tags: Validation Studies Source Type: research